Data Layer Coverage

Every data layer available on the county comparator map, with real-time coverage statistics. See exactly how complete each dataset is across all 3,143 US counties.

30 Public Layers

89.3% Avg Coverage

3,143 US Counties

Population & Employment

Layer Name	Counties with Data	Coverage	Last Updated	Access
Population Estimates
Population Total 2020 ?Census Bureau annual population estimates. ~100 FIPS entries in the dataset are territories and non-county entities outside the standard 3,143 US counties.	3,150 / 3,243	97.1%	Feb 9, 2026	Subscription
Population Total 2021 ?Census Bureau annual population estimates. ~100 FIPS entries in the dataset are territories and non-county entities outside the standard 3,143 US counties.	3,142 / 3,243	96.9%	Feb 9, 2026	Subscription
Population Total 2022 ?Census Bureau annual population estimates. ~100 FIPS entries in the dataset are territories and non-county entities outside the standard 3,143 US counties.	3,142 / 3,243	96.9%	Feb 9, 2026	Subscription
Population Total 2023 ?Census Bureau annual population estimates. ~100 FIPS entries in the dataset are territories and non-county entities outside the standard 3,143 US counties.	3,142 / 3,243	96.9%	Feb 9, 2026	Public
Population Total 2024 ?Census Bureau annual population estimates. ~100 FIPS entries in the dataset are territories and non-county entities outside the standard 3,143 US counties.	3,142 / 3,243	96.9%	Feb 9, 2026	Public
Population Gross Change
Pop. Gross Change 2020-2021 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Subscription
Pop. Gross Change 2021-2022 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Subscription
Pop. Gross Change 2022-2023 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Public
Pop. Gross Change 2023-2024 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Public
Pop. Gross Change 2020-2024 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Public
Population Percent Change
Pop. % Change 2020-2021 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Subscription
Pop. % Change 2021-2022 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Subscription
Pop. % Change 2022-2023 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Public
Pop. % Change 2023-2024 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Public
Pop. % Change 2020-2024 ?Derived from Census population estimates. Calculated for all counties present in both years.	3,142 / 3,243	96.9%	Feb 9, 2026	Public
Unemployed Total
Unemployed Total 2020 ?Bureau of Labor Statistics Local Area Unemployment Statistics (LAUS). Some territories and non-county entities not covered.	3,119 / 3,243	96.2%	Feb 9, 2026	Subscription
Unemployed Total 2021 ?Bureau of Labor Statistics Local Area Unemployment Statistics (LAUS). Some territories and non-county entities not covered.	3,119 / 3,243	96.2%	Feb 9, 2026	Subscription
Unemployed Total 2022 ?Bureau of Labor Statistics Local Area Unemployment Statistics (LAUS). Some territories and non-county entities not covered.	3,119 / 3,243	96.2%	Feb 9, 2026	Subscription
Unemployed Total 2023 ?Bureau of Labor Statistics Local Area Unemployment Statistics (LAUS). Some territories and non-county entities not covered.	3,119 / 3,243	96.2%	Feb 9, 2026	Public
Unemployment Rate
Unemployment Rate 2020 ?Bureau of Labor Statistics Local Area Unemployment Statistics (LAUS). Some territories and non-county entities not covered.	3,119 / 3,243	96.2%	Feb 9, 2026	Subscription
Unemployment Rate 2021 ?Bureau of Labor Statistics Local Area Unemployment Statistics (LAUS). Some territories and non-county entities not covered.	3,119 / 3,243	96.2%	Feb 9, 2026	Subscription
Unemployment Rate 2022 ?Bureau of Labor Statistics Local Area Unemployment Statistics (LAUS). Some territories and non-county entities not covered.	3,119 / 3,243	96.2%	Feb 9, 2026	Subscription
Unemployment Rate 2023 ?Bureau of Labor Statistics Local Area Unemployment Statistics (LAUS). Some territories and non-county entities not covered.	3,119 / 3,243	96.2%	Feb 9, 2026	Public
Unemployment Rate 2024 ?BLS has not yet published 2024 county-level unemployment data.	0 / 3,243	0%	Feb 9, 2026	Public

Election Data

Layer Name	Counties with Data	Coverage	Last Updated	Access
Election Margin
Election Winner Margin 2024 ?Near-complete coverage. Missing counties are primarily Alaska boroughs with non-standard reporting structures.	3,116 / 3,143	99.1%	Feb 9, 2026	Public
Election Winner Margin 2020 ?Near-complete coverage. Missing counties are primarily Alaska boroughs with non-standard reporting structures.	3,104 / 3,143	98.8%	Feb 9, 2026	Public
Election Winner Margin 2016 ?Near-complete coverage. Missing counties are primarily Alaska boroughs with non-standard reporting structures.	3,131 / 3,143	99.6%	Feb 9, 2026	Public
Election Margin Shift
Election Margin Shift 2020-2024 ?Requires data from both election years. Missing where either year lacks results.	3,104 / 3,143	98.8%	Feb 9, 2026	Public
Election Margin Shift 2016-2024 ?Requires data from both election years. Missing where either year lacks results.	3,106 / 3,143	98.8%	Feb 9, 2026	Public
Voter Turnout
Voter Turnout % 2024 ?Near-complete coverage. Missing counties are primarily Alaska boroughs with non-standard reporting structures.	3,116 / 3,143	99.1%	Feb 9, 2026	Public
Voter Turnout % 2020 ?Near-complete coverage. Missing counties are primarily Alaska boroughs with non-standard reporting structures.	3,104 / 3,143	98.8%	Feb 9, 2026	Public

County Financials

Layer Name	Counties with Data	Coverage	Last Updated	Access
Budget Balance
Budget Balance Per Capita 2023 ?Census samples ~1,700 counties in non-census years. Supplemented with data from 10+ state comptroller/auditor offices (NY, IL, VA, IA, NC, IN, WI, CA, SC, FL). CT (9) and MA (9 of 14) counties have no county government.	2,007 / 3,143	63.9%	Feb 9, 2026	Public
Budget Balance (Gross) 2023 ?Census samples ~1,700 counties in non-census years. Supplemented with data from 10+ state comptroller/auditor offices (NY, IL, VA, IA, NC, IN, WI, CA, SC, FL). CT (9) and MA (9 of 14) counties have no county government.	2,007 / 3,143	63.9%	Feb 9, 2026	Public
Budget Balance Per Capita 2022 ?US Census Bureau Census of Governments (2022). 114 counties did not report or were not included in the survey.	3,029 / 3,143	96.4%	Feb 9, 2026	Public
Budget Balance (Gross) 2022 ?US Census Bureau Census of Governments (2022). 114 counties did not report or were not included in the survey.	3,029 / 3,143	96.4%	Feb 9, 2026	Public
Debt
Debt Per Capita 2023 ?Lower coverage than balance/revenue because some state sources (e.g., Iowa) do not publish debt figures.	1,849 / 3,143	58.8%	Feb 9, 2026	Public
Total Debt (Gross) 2023 ?Lower coverage than balance/revenue because some state sources (e.g., Iowa) do not publish debt figures.	1,882 / 3,143	59.9%	Feb 9, 2026	Public
Debt Per Capita 2022 ?US Census Bureau Census of Governments (2022). 114 counties did not report or were not included in the survey.	3,029 / 3,143	96.4%	Feb 9, 2026	Public
Total Debt (Gross) 2022 ?US Census Bureau Census of Governments (2022). 114 counties did not report or were not included in the survey.	3,029 / 3,143	96.4%	Feb 9, 2026	Public
Revenue & Expenditures
Revenue Per Capita 2022 ?US Census Bureau Census of Governments (2022). Near-complete for counties that reported.	3,029 / 3,143	96.4%	Feb 9, 2026	Public
Total Revenue (Gross) 2022 ?US Census Bureau Census of Governments (2022). Near-complete for counties that reported.	3,029 / 3,143	96.4%	Feb 9, 2026	Public
Expenditures Per Capita 2022 ?US Census Bureau Census of Governments (2022). Near-complete for counties that reported.	3,029 / 3,143	96.4%	Feb 9, 2026	Public
Total Expenditures (Gross) 2022 ?US Census Bureau Census of Governments (2022). Near-complete for counties that reported.	3,029 / 3,143	96.4%	Feb 9, 2026	Public

Explore the County Comparator Map

Coverage statistics are pre-calculated and updated after each data import. Last updated: February 9, 2026 at 11:24 AM. Total of 43 data layers across 3,143 US counties.